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    Air / Water-Resistive Barriers & Flashing

    Acrostop R Teaser Image

    Acrostop R

    A one-component fluid-applied vapor permeable air/water-resistive barrier. Waterproof and resilient, it may be spray-, roller-, trowel-, or brush-applied directly to approved wall substrates.

    Acrostop RS Teaser Image

    Acrostop RS

    A vapor permeable air/water-resistive barrier membrane optimized for airless spray application. Waterproof and resilient, it may be spray-, roller-, trowel-, or brush-applied directly to approved wall substrates.